Revenue Recognition - Summary of Revenues Disaggregated by End Market and Product (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Net revenues	$ 397,331	$ 342,135
Revenue [Member] | Customer Concentration Risk [Member]
Disaggregation of Revenue [Line Items]
Percentage of Net revenues	100.00%	100.00%
Insulation [Member]
Disaggregation of Revenue [Line Items]
Net revenues	$ 259,701	$ 221,223
Insulation [Member] | Revenue [Member] | Customer Concentration Risk [Member]
Disaggregation of Revenue [Line Items]
Percentage of Net revenues	65.00%	65.00%
Waterproofing [Member]
Disaggregation of Revenue [Line Items]
Net revenues	$ 28,505	$ 22,385
Waterproofing [Member] | Revenue [Member] | Customer Concentration Risk [Member]
Disaggregation of Revenue [Line Items]
Percentage of Net revenues	7.00%	7.00%
Shower Doors, Shelving and Mirrors [Member]
Disaggregation of Revenue [Line Items]
Net revenues	$ 27,015	$ 23,917
Shower Doors, Shelving and Mirrors [Member] | Revenue [Member] | Customer Concentration Risk [Member]
Disaggregation of Revenue [Line Items]
Percentage of Net revenues	7.00%	7.00%
Garage Doors [Member]
Disaggregation of Revenue [Line Items]
Net revenues	$ 22,987	$ 21,672
Garage Doors [Member] | Revenue [Member] | Customer Concentration Risk [Member]
Disaggregation of Revenue [Line Items]
Percentage of Net revenues	6.00%	6.00%
Rain Gutters [Member]
Disaggregation of Revenue [Line Items]
Net revenues	$ 11,576	$ 11,199
Rain Gutters [Member] | Revenue [Member] | Customer Concentration Risk [Member]
Disaggregation of Revenue [Line Items]
Percentage of Net revenues	3.00%	3.00%
Window blinds [Member]
Disaggregation of Revenue [Line Items]
Net revenues	$ 10,931	$ 9,384
Window blinds [Member] | Revenue [Member] | Customer Concentration Risk [Member]
Disaggregation of Revenue [Line Items]
Percentage of Net revenues	3.00%	3.00%
Other Building Products [Member]
Disaggregation of Revenue [Line Items]
Net revenues	$ 36,616	$ 32,355
Other Building Products [Member] | Revenue [Member] | Customer Concentration Risk [Member]
Disaggregation of Revenue [Line Items]
Percentage of Net revenues	9.00%	9.00%
Residential New Construction [Member]
Disaggregation of Revenue [Line Items]
Net revenues	$ 298,340	$ 261,310
Residential New Construction [Member] | Revenue [Member] | Customer Concentration Risk [Member]
Disaggregation of Revenue [Line Items]
Percentage of Net revenues	75.00%	77.00%
Repair and Remodel[Member]
Disaggregation of Revenue [Line Items]
Net revenues	$ 24,043	$ 21,521
Repair and Remodel[Member] | Revenue [Member] | Customer Concentration Risk [Member]
Disaggregation of Revenue [Line Items]
Percentage of Net revenues	6.00%	6.00%
Commercial [Member]
Disaggregation of Revenue [Line Items]
Net revenues	$ 74,948	$ 59,304
Commercial [Member] | Revenue [Member] | Customer Concentration Risk [Member]
Disaggregation of Revenue [Line Items]
Percentage of Net revenues	19.00%	17.00%